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Spain UNE F.1431 Steels for hot-formed and heat-treated spring and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: F.1431 / F.1431
Category Grade Standard Region/Area Standard Content
Metals F.1431 UNE 36015 Spain Steels for hot-formed and heat-treated spring

Chemical composition(mass fraction)(wt.%) of the F.1431

Element Min Max Similar

Mechanical Properties of steel grade F.1431

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
633 (≥) 252 (≥) 31 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade F.1431

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.14 -  
417 719 - 44.3 411   -  
338 - 11 13.2   323 322

Heat Treatment of steel grade F.1431

Heat treated : 1249°C - 1289°C

Technological Curves of steel grade F.1431

Cross Reference Table (Equivalent Grade) of F.1431

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